> David Howells wrote:> > > > This patch is the alternative: make a function (do_generic_mapping_read())> > that I can pass an inode or an address_space to, and make> > do_generic_file_read() call that. This allows me to make use of readahead> > semantics without having to reinvent them for myself.> > > > OK. The current readahead and mpage code is really designed just> for ext2-style filesystems. It was always expected that it would > have to grow as more sophisticated filesytems put demands upon it.> > Your change is a perfectly sensible generalisation. The reiserfs> team have been making noises about lower-level readahead hooks as well,> and I think your patch largely addresses those. I shall ping them.

I'd just finished sending the patch to Linus. If you want to divert or stallit, can you tell him.